#!/bin/bash
set -x -e
HOST_DIR="${HOST_DIR:-/host}"
RELEASE_FILE="${RELEASE_FILE:-/usr/lib/rancheros-release}"
CONF_FILE="${CONF_FILE:-/run/data/cloud-config}"

function config()
{
    if [ ! -e $CONF_FILE ]; then
        return 0
    fi

    if [ ! -e ${HOST}/oem/90_operator.yaml ] || ! diff $CONF_FILE ${HOST}/oem/90/operator.yaml >/dev/null; then
        cp -f $CONF_FILE ${HOST}/oem/90/operator.yaml
        $REBOOT
    fi
}

if [ "$FORCE" != "true" ]; then
    if diff $RELEASE_FILE ${HOST_DIR}${RELEASE_FILE} >/dev/null; then
        echo Update to date with
        cat ${RELEASE_FILE}

        REBOOT="nsenter -i -m -t 1 -- reboot"
        config
        exit 0
    fi
fi

config
mount --rbind $HOST_DIR/dev /dev
mount --rbind $HOST_DIR/run /run
bash -x cos-upgrade --directory /
nsenter -i -m -t 1 -- reboot
exit 1